package mythink_1;

public class test_Fan {

	public static void main(String[] args) {
		Fan fa = new Fan();
		fa.setSpeed(2);
		System.out.println(fa.toString());
		fa.setOn(true);
		
		fa.setColor("black");
		fa.setRedius(6);
		System.out.println(fa.toString());

	}

}
